Black-headed Hemispingus (Hemispingus verticalis) - HBW 16, p. 169

Taxonomy:Nemosia verticalis Lafresnaye, 1840, Santa Fé de Bogotá, Colombia.Genus has been thought to belong with New World warblers (Parulidae), but recent molecular-genetic data support placement in present family; monophyly of genus questioned, supported by some molecular data, but other molecular data equivocal. Forms a superspecies with H. xanthophthalmus, both formerly placed in separate genus, Pseudospingus. Monotypic.